It is called a solo. The texture is called 'monophonic' texture (it means "with no accompaniment").
You call someone who plays any instrument alone a "soloist."
Trumpetist
"Soloist"
A trumpest.
It matters which brass instrument. Someone with a Trombone is a trombonist, someone with a tuba is a tubist, and someone who plays a Trumpet is a trumpeter. It's all very complicated.
There are various names, depending on the context:buglertrumpet playertrumpetertrumpeteermusicianpistoneer
your best friend.
a trumpet soloist
It matters which brass instrument. Someone with a Trombone is a trombonist, someone with a tuba is a tubist, and someone who plays a Trumpet is a trumpeter. It's all very complicated.
"Soloist"
A trumpest.
There are various names, depending on the context:buglerTrumpet playertrumpetertrumpeteermusicianpistoneer
It matters which brass instrument. Someone with a Trombone is a trombonist, someone with a tuba is a tubist, and someone who plays a Trumpet is a trumpeter. It's all very complicated.
There are various names, depending on the context:buglertrumpet playertrumpetertrumpeteermusicianpistoneer
A loner.
A bassist
A guitarist.
a guitarist
a harmonist.